Automatic sound-producing water-outflow device

The utility model disclose an automatic sound-producing water-outflow device, belonging to the technical field of automatic sound-producing equipment and comprising a hollow pipeline with one sealing end and an inclined water hole, wherein the inclined water hole is arranged in the pipeline and can generate water flow head drop. One end of the low water level of the inclined water hole of the hollow pipeline is provided with an impeller, and the hollow pipeline is at least provided with a closed section. The inner part of the closed section is provided with an electric generator connected with the impeller by a rotating shaft, a CPU, a control circuit board and a sound-producing device, and the electric generator, the CPU and the sound-producing device are connected with the circuit of the control circuit board. The automatic sound-producing water-outflow device utilizes water flow to generate electricity, and the position in which the water flow passes is additionally provided with the sound-producing device